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tech 2 June 2026

Why Choose Janet in 2023?

Janet, a simple yet powerful Lisp dialect, is emerging as an ideal solution for your projects. Find out why it's time to give it a chance.

Article inspired by the original source
Why Janet? (2023) ↗ ianthehenry.com

Introduction

In a world teeming with programming languages, finding the one that perfectly suits your needs can be challenging. Yet, a little Lisp dialect called Janet might just be the solution you're seeking for your projects. Simple, distributable, and exceptionally good at text parsing, Janet has what it takes to appeal to developers looking for efficiency and simplicity.

Simplicity at Its Best

Janet is an imperative language that stands out for its simplicity. With only eight basic instructions – do, def, var, set, if, while, break, fn – it is easy to grasp. For those familiar with JavaScript, Janet offers a sense of familiarity, but without the associated quirks. Thanks to its macros, Janet allows writing powerful code without excessive complexity. The core of the language is so compact that its standard library fits on a single page.

Quick Learning Curve

Janet's learning curve is incredibly fast. You can master the basics of the language in an afternoon. This makes it an ideal choice for developers who want to quickly dive into prototyping or personal projects.

Hassle-Free Distribution

One of Janet's major advantages is its ability to be compiled into native executables. No need to ask your users to install Janet or manage complex dependencies. Janet compiles its code into bytecode, then into a .c file, which is then compiled into a native binary. A simple "Hello World" in Janet weighs less than 1 MB, including the full runtime, garbage collector, and even the bytecode compiler.

Ideal for Command-Line Applications

This ability to compile lightweight executables makes Janet an excellent choice for command-line applications. As a developer, you gain flexibility and ease of distribution.

Optimized Text Parsing

Where Janet truly shines is in text parsing. Instead of traditional regular expressions, Janet uses parsing expression grammars (PEG). These are simpler, more powerful, and more predictable than classic regex. For text manipulation tasks, Janet offers an elegant and efficient solution.

Conclusion

In 2023, Janet stands out as a language of choice for developers seeking simplicity and power. Whether you're looking to quickly prototype, easily distribute applications, or efficiently parse text, Janet has it all.

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Janet Lisp programming language text parsing native compilation
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